key length/size RSA discussion/recommendations in the wiki
Robert J. Hansen
rjh at sixdemonbag.org
Wed Oct 29 19:44:59 CET 2014
> Why is brute force even mentioned in something about RSA? You
> couldn't brute-force a 128 bit RSA key. I'd say 2048 bit quite
> covers it 8-)
Sure you can. To brute-force a 128-bit RSA key would require you to
check every prime number between two and 10**19. There are in the
neighborhood of ten quadrillion of them. You could break a 128-bit RSA
key for under $100 of computation on an Amazon cloud instance.
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